/Engine/Source/Editor/MaterialEditor/Public/MaterialEditorUtilities.h
Creates a new material expression composite on the material represented by a graph.
UMaterialExpressionComment* Newly created comment
static [UMaterialExpressionComposite](API\Runtime\Engine\Materials\UMaterialExpressionComposite) * CreateNewMaterialExpressionComposite ( const class [UEdGraph](API\Runtime\Engine\EdGraph\UEdGraph) * Graph, const FVector2D & NodePos )